Answer:

Step-by-step explanation:
#This is simple case of addition, who numbers and fractions:

Hence, the summation of this two fractions is 1 3/4
Answer:
20%
Step-by-step explanation:
Line graphs
are used when data involves measurements that are related, or dependent
on one another. They are commonly used to show cause & effect,
and also to show how something changes over time.